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Law Incorporation [45]
3 years ago
9

At what values of x does the graph of f(x)= sin x intersect the x-axis?

Mathematics
2 answers:
aalyn [17]3 years ago
8 0
D) not fully sure thoe
12345 [234]3 years ago
7 0

Answer:

c) all multiples of \pi

Step-by-step explanation:

The given function is

f(x)=\sin(x)

The graph of this function is shown in the attachment.

We can see that the graph intersect the x-axis at ...,\pi,2\pi,3\pi...

We can also solve the equation,

\sin(x)=0

and obtain;

x=n \pi, where n is an integer.

as the x-values where the graph intersect the x-axis.

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Fynjy0 [20]
I think this shows more helpful to u 
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7 0
3 years ago
One stack has 6 cups, and its height is 15 cm. The other one has 12 cups, and its height is 23 cm. How many cups are needed for
Ronch [10]

Answer:

Given

Number of stacks = 2

Stack 1 = 6 cups; h1 = 15cm

Stack 2 = 12 cups; h2 = 23cm

Let's first find the average:

With an average of 4/3, to obtain the number of cups needed to obtain a height of 50m, we have:

50 / (4/3)

= 50 * 3/4

= 150/4

= 37.5

From the answer, we can see that the number of cups is not really proportional to the height of the stack, because the average of stack one and stack 2 are different.

Step-by-step explanation:

7 0
3 years ago
Help help help help help
Mkey [24]

Answer:

  x = 42

Step-by-step explanation:

The marked angles are supplementary, so their sum is 180°.

  (2x +8) +(2x +4) = 180

  4x +12 = 180 . . . . . . . . . simplify

  x +3 = 45 . . . . . . . divide by 4 (because we can)

  x = 42 . . . . . . subtract 3

_____

<em>Additional comment</em>

A "two-step" linear equation like this one is usually solved by subtracting the unwanted constant, then dividing by the coefficient of the variable. Here, we have done those steps in reverse order. This makes the numbers smaller and  eliminates the coefficient of the variable. Sometimes I find it easier to solve the equation this way.

5 0
3 years ago
Describe the relationship between the<br> values of the digits in the number
Lelechka [254]

Answer:

Step-by-step explanation:

The relationship between the values of the digits in the number 9,999,999 is that, the value of each digit is 10 times of the value of the ...

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2 years ago
Simplify the expression below. (5x)2
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